de.vanita5.twittnuker.util.HtmlEscapeHelper.java Source code

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Here is the source code for de.vanita5.twittnuker.util.HtmlEscapeHelper.java

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/*
 * Twittnuker - Twitter client for Android
 *
 * Copyright (C) 2013-2014 vanita5 <mail@vanita5.de>
 *
 * This program incorporates a modified version of Twidere.
 * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.vanita5.twittnuker.util;

import org.apache.commons.lang3.StringEscapeUtils;

public class HtmlEscapeHelper {

    public static String escape(final String string) {
        if (string == null)
            return null;
        return StringEscapeUtils.escapeHtml4(string);
    }

    public static String toHtml(final String string) {
        if (string == null)
            return null;
        return escape(string).replace("\n", "<br/>");
    }

    public static String toPlainText(final String string) {
        if (string == null)
            return null;
        return unescape(string.replace("<br/>", "\n").replaceAll("<!--.*?-->|<[^>]+>", ""));
    }

    public static String unescape(final String string) {
        if (string == null)
            return null;
        return StringEscapeUtils.unescapeHtml4(string);
    }

}